Trump's longtime ally Roger Stone says the former president must prepare to be indicted for fraud in the coming weeks

• Roger Stone predicted in an Infowars interview on Friday that Trump would soon be indicted.
• Stone said he thought Trump would be charged with "bank fraud or tax fraud."
• Stone accused Manhattan prosecutors investigating Trump of "combing for a crime."

Roger Stone, a longtime friend and former advisor to Donald Trump, said in an Infowars interview on Friday that he believed the former president would face an indictment imminently, Salon reported.

"I would be shocked if they did not come forward with a fabricated indictment for bank fraud or tax fraud against the former president by Manhattan District Attorney Cyrus Vance," Stone told the far-right Infowars.

"If they want to go after the president on fabricated charges, then we will establish that this is a partisan witch hunt," the GOP strategist, whom Trump pardoned last year, told the host Alex Jones.

Read more: Meet Donald Trump's next nemeses: The 16 New York prosecutors peppering the ex-president with history-making criminal probes

Stone said, without evidence, that he thought an indictment would likely be filed sometime around the end of the Republican-led election audit in Maricopa County, Arizona.

"Don't be surprised if the announcement comes at the exact time that we learn the truth about Maricopa County, Arizona," he said. "Don't be surprised, because I see that coming."

Stone alleged in the interview that those involved with the Manhattan district attorney's criminal investigation into Trump were "combing for a crime," saying it was "disgraceful."

Vance's office has for years been investigating the Trump Organization's and Trump's finances, court records indicate. Vance recently convened a grand jury, The Washington Post reported on Tuesday. That marked an aggressive new phase in the investigation, Insider's Sonam Sheth and Jacob Shamsian reported.

Legal experts suspect the inquiry is nearing its end, Sheth and Shamsian reported.